Frost dates in Muir, MI
The average last spring frost in Muir is around May 10 and the first fall frost is around October 1. That gives Muir an average growing season of about 144 days.
Last spring frost
| Early (10% chance after) | April 20 |
|---|---|
| Average (50%) | May 10 |
| Late (90%) | May 29 |
First fall frost
| Early (10%) | September 14 |
|---|---|
| Average (50%) | October 1 |
| Late (90% chance before) | October 22 |